What does Chinese medicine mean by "opening the door of hell and cleaning"

"Opening the door of hell" and "cleaning the door" are the methods of treating edema disease in traditional Chinese medicine. "The gate of hell" refers to the sweat pores on the body surface. In the process of dispersing lung and sweating, that is, dispersing lung and sweating, so that sweat can flow out of the skin through the fur. "Opening the ghost door" means sweating. "Clean room" is the bladder, and "clean room" is convenient for urination. Traditional Chinese medicine often uses methods such as "opening the door of hell" and "cleaning the house" to make the water trapped in the body be discharged with sweat or urine. Zhang Zhongjing, a famous doctor in Han dynasty, put forward the specific treatment standard of "sweating above the waist and urinating below the waist" according to the theoretical guidance of treating edema disease in Neijing. Later generations followed this principle of treating edema, treated edema based on syndrome differentiation, and achieved ideal curative effect. (Assured Medical Hospital)